1. Department of Obstetrics & Gynaecology; Rosie Hospital; Cambridge UK
2. Department of Obstetrics and Gynecology; KU Leuven; Belgium
3. Department of Academic Neonatology; UCL Institute for Women's Health; London UK
4. Department of Perinatology; Isala Clinics Zwolle; Utrecht The Netherlands
5. Fetal Medicine Unit, Department of Obstetrics and Gynaecology; University Medical Centre Groningen; Groningen The Netherlands
6. Obstetrics and Gynecology; Universitätsklinik für Gynäkologische Endokrinologie und Reproduktionsmedizin, Department für Frauenheilkunde; Innsbruck Austria
7. Perinatal Center; Wilhelmina Children's Hospital; Utrecht The Netherlands
8. Division of Obstetrics and Prenatal Medicine; Department of Obstetrics and Gynaecology; Erasmus MC Rotterdam The Netherlands
9. Maternal-Fetal Medicine Unit; University of Brescia; Brescia Italy
10. Department of Obstetrics and Fetal Medicine; University Medical Center Hamburg-Eppendorf; Hamburg Germany
11. Children's Hospital, Buzzi; University of Milan; Milan Italy
12. Department of Obstetrics and Gynecology; Academic Medical Centre; Amsterdam The Netherlands
13. Department of Gynecology and Obstetrics; University Federico II of Naples; Naples, Italy
14. Section of Perinatal Medicine, Department of Obstetrics and Gynecology; Technical University; Munich Germany
15. Fetal Medicine Unit; St George's Hospital; London UK
16. Department of Obstetrics and Gynecology; Medical University of Graz; Graz Austria
17. Department of Obstetrics & Gynecology; University of Turin; Turin Italy
18. Department of Neonatology; Emma Children's Hospital Academic Medical Centre; Amsterdam The Netherlands
19. University Medical Center, Division of Woman and Baby; Utrecht The Netherlands